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Listar por palabra clave "Ions"

Mostrando ítems 1-18 de 18

Asymmetric nanopore rectification for ion pumping, electrical power generation, and information processing applications

Cervera, Javier; Ramirez Hoyos, Patricio; Mafé, Salvador; STROEVE, PIETER (Elsevier, 2011-04)

Single-track, asymmetric nanopores can currently be functionalised with a spatially inhomogeneous distribution of fixed charges and a variety of pore tip shapes. Optimising the asymmetric nanopore characteristics is crucial ...
Biochemical Markers of Salt Stress in European Larch (Larix decidua)

Plesa, Iona M.; Al Hassan, Mohamad; Sestras, Adriana; Vicente, Oscar; Boscaiu, Monica; Sestras, Radu (AcademicPres (EAP) Publishing House, 2018-09-27)

[EN] Larix decidua, the European larch, does not grow in natural saline areas, but it can be affected by salinity either by the common practice of winter de-icing of mountain roads with NaCl, or when grown as an ornamental ...
Biocompatible Alginate Film Crosslinked with Ca2+ and Zn2+ Possesses Antibacterial, Antiviral, and Anticancer Activities

Cano-Vicent, Alba; Tuñón-Molina, Alberto; Bakshi, Hamid; Sabater i Serra, Roser; Alfagih, Iman M.; Tambuwala, Murtaza M.; Serrano-Aroca, Ángel (American Chemical Society, 2023-06-28)

[EN] Alginate is a highlypromising biopolymer due to its non-toxicand biodegradable properties. Alginate hydrogels are often fabricatedby cross-linking sodium alginate with calcium cations and can be engineeredwith highly ...
Calcium binding and and ionic conduction in single conical nanopores with polyacid chains: model and experiments

Ali, Mubarak; Nasir, Saima; Ramirez Hoyos, Patricio; Cervera, Javier; Mafe, Salvador; Ensinger, Wolfgang (American Chemical Society, 2012)

Calcium binding to fixed charge groups confined over nanoscale regions is relevant to ion equilibrium and transport in the ionic channels of the cell membranes and artificial nanopores. We present an experimental and ...
Characterizing the effects of salt stress in Calendula officinalis L

Kozminska, Aleksandra; Al Hassan, Mohamad; Kumar, Dinesh; Oprica, Lacramioara; Martinelli, Federico; Grigore, Marius N.; Vicente, Oscar; Boscaiu, Monica (DRUCKEREI LIDDY HALM, BACKHAUSSTRASSE 9B, GOTTINGEN, GERMANY, 37081, 2017)

[EN] In this study the effects of salt stress on growth and several stress markers were investigated in the ornamental and medicinal plant Calendula officinalis. One-month-old plants were submitted to increasing salt ...
Determinación de aniones y cationes y estudio de la actividad biológica en jamón curado

Moreno Mariscal, Cristina (Universitat Politècnica de València, 2022-10-20)

[ES] Los iones inorgánicos están presentes en todos los alimentos de manera natural, pero, además, algunos se adicionan para ayudar en los procesos de fabricación de algunos alimentos, o, para mejorar sus características ...
Development of Biotechnological Tools for the Genetic Improvement of Pepino (Solanum Muricatum) and Tree Tomato (S.betaceum)

Pacheco Toabanda, Juan Enrique (Universitat Politècnica de València, 2022-11-07)

[ES] El pepino dulce (Solanum muricatum) y el tomate de árbol (S. betaceum) pertenecen al grupo de cultivos de la familia Solanaceae. Estos dos cultivos son originarios de América del Sur y actualmente se cultivan en varios ...
Effect of nanopore geometry on ion current rectification

Apel, Pavel Yu; Blonskaya, Irina V.; Orelovitch, Oleg L.; Ramirez Hoyos, Patricio; Sartowska, Bozena A. (IOP Publishing: Hybrid Open Access, 2011-03-16)

We present the results of systematic studies of ion current rectification performed on artificial asymmetric nanopores with different geometries and dimensions. The nanopores are fabricated by the ion track etching method ...
Estudio comparativo de la respuesta al estrés salino del hibrido interespecífico Solanum insanum x Solanum melongena y de sus parentales en condiciones de cultivo en invernadero y en hidroponía

Hinojal Vicente, Elena (Universitat Politècnica de València, 2023-11-03)

[ES] El aumento constante de la población mundial hace que sea necesario un aumento en la producción de alimentos. Uno de los principales factores limitantes a la hora de aumentar la producción es la salinización de aguas ...
Identification of salt and drought biochemical stress markers in several Silene vulgaris populations

Kozminska, Aleksandra; Wiszniewska, Alina; Hanus-Fajerska, Ewa; Boscaiu, Monica; Al Hassan, Mohamad; Halecki, Wiktor; Vicente, Oscar (MDPI AG, 2019-02-03)

[EN] This study attempted to determine short-term responses to drought and salt stress in different Silene vulgaris genotypes and to identify potential abiotic stress biochemical indicators in this species. Four populations ...
Incorporation of photoactive TiO2 in an aluminosilicate inorganic polymer by ion exchange

Gasca-Tirado, José Ramón; Manzano Ramirez, Alejandro; Villaseñor-Mora, Carlos; Muñiz-Villarreal, M. S.; Zaldivar-Cadena, A. A.; Rubio-Ávalos, José Carlos; Amigó Borrás, Vicente; Nava Mendoza, Rufino (Elsevier, 2012-05-01)

In the present paper, it is described a procedure to ion exchange in an aluminosilicate inorganic polymer (geopolymer) in order to incorporate photoactive TiO 2. Metakaolin base geopolymers synthesized at 40 and 90 °C were ...
Moderate and severe water stress effects on morphological and biochemical traits in a set of pepino (Solanum muricatum) cultivars

Pacheco, Juan; Plazas Ávila, María de la O; Pettinai, Ilaria; Landa-Faz, Anbu; González-Orenga, Sara; Boscaiu, Monica; Soler Aleixandre, Salvador; Prohens Tomás, Jaime; Vicente, Oscar; Gramazio, Pietro (Elsevier, 2021-06-27)

[EN] The pepino (Solanum muricatum) is a neglected crop from the Andean region with potential for expansion to many areas of the world. However, there is a lack of studies in pepino related to its response to water stress. ...
Optical gating of photosensitive synthetic ion channels

Ali, Mubarak; Nasir, Saima; Ramirez Hoyos, Patricio; Ahmed, Ishtiaq; Nguyen, Quoc Hung; Fruk, Ljiljana; Mafe, Salvador; Ensinger, Wolfgang (Wiley-VCH Verlag, 2012)

4-oxo-4-(pyren-4-ylmethoxy) butanoic acid is used as a photolabile protecting group to show the optical gating of nanofluidic devices based on synthetic ion channels. The inner surface of the channels is decorated with ...
Qualitative and Quantitative Dierences in Osmolytes Accumulation and Antioxidant Activities in Response to Water Deficit in Four Mediterranean Limonium Species

González-Orenga, Sara; Al Hassan, Mohamad; Llinares Palacios, Josep Vicent; Lisón, Purificación; López-Gresa, María Pilar; Verdeguer Sancho, Mercedes María; Vicente, Oscar; Boscaiu, Monica (MDPI, 2019-11)

[EN] Limonium is a genus represented in the Iberian Peninsula by numerous halophytic species that are a ected in nature by salinity, and often by prolonged drought episodes. Responses to water deficit have been studied in ...
Review of membrane technologies in the removal of heavy metals in surface waters for human consumption

Alvizuri-Tintaya, Paola Andrea; Villena Martínez, Esteban Manuel; Torregrosa López, Juan Ignacio; Lo-Iacono-Ferreira, Vanesa G.; Lora-García, Jaime (Asociación Española de Dirección e Ingeniería de Proyectos (AIEPRO), 2020-07-09)

[EN] Several sources contaminate heavy metals in surface waters. Among the main ones are industries and mining, in addition to natural geological pollution. Several international organizations consider heavy metals as toxic ...
Some rootstocks improve pepper tolerance to mild salinity through ionic regulation

Penella, Consuelo; González Nebauer, Sergio; Quinones, Ana; San Bautista Primo, Alberto; López Galarza, Salvador Vicente; Calatayud, Angeles (Elsevier, 2015-01)

[EN] Grafting has been proposed as an interesting strategy that improves the responses of crops under salinity. In pepper, we reported increased fruit yield of the commercial 'Adige' cultivar under salinity when grafted ...
Study of pufferfish (Takifugu niphobles) sperm: development of methods for short-term storage, effects of different activation media and role of intracellular changes in Ca2+ and K+ in the initiation of sperm motility

Gallego Albiach, Victor; Pérez Igualada, Luz María; Asturiano Nemesio, Juan Francisco; Yoshida, Manabu (Elsevier, 2013-11-15)

[EN] The first goal of this study was the development of a short-term storage method for pufferfish (Takifugu niphobles) sperm. In this respect, the best results were obtained by diluting the sperm in a seminal-like solution ...
Study of the effects of the applied current regime and the concentration of chromic acid on the transport of Ni2+ ions through Nafion 117 membranes

Martí Calatayud, Manuel César; García Gabaldón, Montserrat; Pérez-Herranz, Valentín (Elsevier, 2012-12-23)

In the present work galvanostatic experiments are conducted with an electrodialysis cell in order to study the passage of Ni 2+ ions present in chromic acid solutions through a Nafion cation-exchange membrane. The competing ...